Collapsible trailer



FIG. 1 shows a perspective view of a collapsible trailer;

FIG. 2 shows a front view of the collapsible trailer;

FIG. 3 shows a rear view of the collapsible trailer;

FIG. 4 shows a right side view of the collapsible trailer;

FIG. 5 shows a left side view of the collapsible trailer;

FIG. 6 shows a top plan view of the collapsible trailer; and,

FIG. 7 shows a bottom plan view of the collapsible trailer.

The shade lines in the Figures show contour and not surface ornamentation. 

CLAIM The ornamental design for a collapsible trailer, as shown and described. 